Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Schematic representation of the LFIA test for the diagnosis of SARS CoV-2. Antibodies; (B) For the negative sample, only the control line color is expected; (C) 2 test regions and 1 control regions appear in the asset of anti-N antibodies (IgG, IgM and IgA) [53]. Reproduced with permission from ref. 53, Elsevier Ltd.
